US Bridges

I 495 over Water Fish Brook

Good

Essex County, Massachusetts · .48 KM S I93 · Structure no. A090392XPDOTNBI

Built
1961
64 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
130,023
2024 count
Owner
State
State Highway Agency

About this bridge

I 495 over Water Fish Brook is a concrete culvert carrying I 495 over Water Fish Brook in Essex County, Massachusetts. It was built in 1961, so it is 64 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 130,023 vehicles a day, roughly 18% of them trucks, projected to reach 165,826 by 2031. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI 495
CrossesWater Fish Brook
Location.48 KM S I93
RouteInterstate 495
Coordinates42.6611, -71.19836
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating56.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130,023 (2024)
Projected traffic165,826 by 2031
Trucks18%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 495 over Water Fish Brook built?

It was built in 1961, making it 64 years old in 2025.

What condition is I 495 over Water Fish Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does I 495 over Water Fish Brook carry?

About 130,023 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is I 495 over Water Fish Brook?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m).

Who owns I 495 over Water Fish Brook?

It is owned by the State Highway Agency.